Tablet computer



FIG. 1 is a bottom view of a tablet computer showing the new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a front perspective view thereof.

The broken lines show portions of the tablet computer which form no part of the claimed design. 

CLAIM The ornamental design for a tablet computer, as shown and described. 